global-linum-mode
global-linum-mode is an interactive autoloaded compiled Lisp function in `linum.el
'.
(global-linum-mode &optional ARG)
Toggle Linum mode in all buffers.
With prefix ARG, enable Global-Linum mode if ARG is positive;
otherwise, disable it. If called from Lisp, enable the mode if
ARG is omitted or nil.
Linum mode is enabled in all buffers where
`linum-on' would do it.
See `linum-mode' for more information on Linum mode.